- A degenerative disorder caused by inadequate or defective nutrition. (noun)
- Any of several disorders, especially muscular dystrophy, in which the muscles weaken and atrophy. (noun)
- Ecology The condition of being dystrophic. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.